40189007528 has 16 divisors (see below), whose sum is σ = 75361420980. Its totient is φ = 20092628608.

The previous prime is 40189007513. The next prime is 40189007531. The reversal of 40189007528 is 82570098104.

It can be written as a sum of positive squares in 2 ways, for example, as 34617579364 + 5571428164 = 186058^2 + 74642^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141125 + ... + 316692.

Almost surely, 2^40189007528 is an apocalyptic number.

It is an amenable number.

40189007528 is a deficient number, since it is larger than the sum of its proper divisors (35172413452).

40189007528 is a wasteful number, since it uses less digits than its factorization.

40189007528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468796 (or 468792 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 44.

The spelling of 40189007528 in words is "forty billion, one hundred eighty-nine million, seven thousand, five hundred twenty-eight".